[INFO] updating cached repository ix5231/tetris
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ix5231/tetris
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ix5231/tetris" "work/ex/beta-1.37-6/sources/1.36.0/gh/ix5231/tetris"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/ix5231/tetris'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ix5231/tetris" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ix5231/tetris"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ix5231/tetris'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d421aa3bbac444236f1828248b62c90bdd3e701c
[INFO] sha for GitHub repo ix5231/tetris: d421aa3bbac444236f1828248b62c90bdd3e701c
[INFO] validating manifest of ix5231/tetris on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ix5231/tetris on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ix5231/tetris
[INFO] finished frobbing ix5231/tetris
[INFO] frobbed toml for ix5231/tetris written to work/ex/beta-1.37-6/sources/1.36.0/gh/ix5231/tetris/Cargo.toml
[INFO] started frobbing ix5231/tetris
[INFO] finished frobbing ix5231/tetris
[INFO] frobbed toml for ix5231/tetris written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ix5231/tetris/Cargo.toml
[INFO] crate ix5231/tetris already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing ix5231/tetris against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/ix5231/tetris:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 62008c615ef08e348ceac6061cdfcb07e1afb8c1dc918b6707cb4bb8224ebdf5
[INFO] running `"docker" "start" "-a" "62008c615ef08e348ceac6061cdfcb07e1afb8c1dc918b6707cb4bb8224ebdf5"`
[INFO] [stderr]    Compiling khronos_api v2.2.0
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling pkg-config v0.3.12
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling libc v0.2.42
[INFO] [stderr]    Compiling serde v1.0.70
[INFO] [stderr]    Compiling matrixmultiply v0.1.14
[INFO] [stderr]    Compiling adler32 v1.0.3
[INFO] [stderr]    Compiling rawpointer v0.1.0
[INFO] [stderr]    Compiling color_quant v1.0.1
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling lazy_static v1.0.2
[INFO] [stderr]    Compiling approx v0.1.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.9
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling xdg v2.1.0
[INFO] [stderr]    Compiling xi-unicode v0.1.0
[INFO] [stderr]    Compiling claxon v0.3.1
[INFO] [stderr]    Compiling podio v0.1.6
[INFO] [stderr]    Compiling hound v3.4.0
[INFO] [stderr]    Compiling log v0.4.3
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]    Compiling sdl2-sys v0.31.0
[INFO] [stderr]    Compiling bzip2-sys v0.1.6
[INFO] [stderr]    Compiling syn v0.10.8
[INFO] [stderr]    Compiling backtrace-sys v0.1.23
[INFO] [stderr]    Compiling draw_state v0.8.0
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling proc-macro2 v0.4.9
[INFO] [stderr]    Compiling unreachable v0.1.1
[INFO] [stderr]    Compiling stb_truetype v0.2.2
[INFO] [stderr]    Compiling ogg v0.4.1
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling itertools v0.5.10
[INFO] [stderr]    Compiling deflate v0.7.18
[INFO] [stderr]    Compiling inflate v0.4.3
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling rand v0.5.4
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling gif v0.10.0
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling app_dirs2 v2.0.3
[INFO] [stderr]    Compiling lewton v0.5.2
[INFO] [stderr]    Compiling quote v0.6.5
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling smart-default v0.2.0
[INFO] [stderr]    Compiling msdos_time v0.1.6
[INFO] [stderr]    Compiling generic-array v0.8.3
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]    Compiling syn v0.14.7
[INFO] [stderr]    Compiling euclid v0.17.3
[INFO] [stderr]    Compiling ordered-float v0.5.0
[INFO] [stderr]    Compiling sid v0.5.2
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling alga v0.5.4
[INFO] [stderr]    Compiling cgmath v0.14.1
[INFO] [stderr]    Compiling twox-hash v1.1.1
[INFO] [stderr]    Compiling bzip2 v0.3.3
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling rusttype v0.5.2
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling png v0.12.0
[INFO] [stderr]    Compiling lyon_geom v0.10.1
[INFO] [stderr]    Compiling cpal v0.8.2
[INFO] [stderr]    Compiling gfx_gl v0.5.0
[INFO] [stderr]    Compiling zip v0.3.3
[INFO] [stderr]    Compiling derivative v1.0.0
[INFO] [stderr]    Compiling sdl2 v0.31.0
[INFO] [stderr]    Compiling lyon_path v0.10.1
[INFO] [stderr]    Compiling nalgebra v0.14.4
[INFO] [stderr]    Compiling lyon_tessellation v0.10.2
[INFO] [stderr]    Compiling rodio v0.7.0
[INFO] [stderr]    Compiling toml v0.4.6
[INFO] [stderr]    Compiling lyon v0.10.2
[INFO] [stderr]    Compiling num-derive v0.2.2
[INFO] [stderr]    Compiling serde_derive v1.0.70
[INFO] [stderr]    Compiling image v0.19.0
[INFO] [stderr]    Compiling gfx_core v0.8.2
[INFO] [stderr] warning[E0502]: cannot borrow `*self` as immutable because it is also borrowed as mutable
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/nalgebra-0.14.4/src/core/cg.rs:292:44
[INFO] [stderr]     |
[INFO] [stderr] 292 |                 self[(j, i)] += shift[j] * self[(D::dim() - 1, i)];
[INFO] [stderr]     |                 ---------------------------^^^^-------------------
[INFO] [stderr]     |                 |                          |
[INFO] [stderr]     |                 |                          immutable borrow occurs here
[INFO] [stderr]     |                 mutable borrow occurs here
[INFO] [stderr]     |                 mutable borrow later used here
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]     = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr] 
[INFO] [stderr]    Compiling gfx_device_gl v0.15.3
[INFO] [stderr]    Compiling gfx v0.17.1
[INFO] [stderr]    Compiling gfx_glyph v0.10.2
[INFO] [stderr]    Compiling gfx_window_sdl v0.8.0
[INFO] [stderr]    Compiling ggez v0.4.3
[INFO] [stderr]    Compiling tetris v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variant is never constructed: `R90`
[INFO] [stderr]    --> src/main.rs:261:5
[INFO] [stderr]     |
[INFO] [stderr] 261 |     R90,
[INFO] [stderr]     |     ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `R180`
[INFO] [stderr]    --> src/main.rs:262:5
[INFO] [stderr]     |
[INFO] [stderr] 262 |     R180,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `R270`
[INFO] [stderr]    --> src/main.rs:263:5
[INFO] [stderr]     |
[INFO] [stderr] 263 |     R270,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `rotate_right`
[INFO] [stderr]    --> src/main.rs:267:5
[INFO] [stderr]     |
[INFO] [stderr] 267 |     fn rotate_right(&self) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `rotate_left`
[INFO] [stderr]    --> src/main.rs:278:5
[INFO] [stderr]     |
[INFO] [stderr] 278 |     fn rotate_left(&self) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `x`
[INFO] [stderr]    --> src/main.rs:328:5
[INFO] [stderr]     |
[INFO] [stderr] 328 |     x: i32,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `y`
[INFO] [stderr]    --> src/main.rs:329:5
[INFO] [stderr]     |
[INFO] [stderr] 329 |     y: i32,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/main.rs:333:5
[INFO] [stderr]     |
[INFO] [stderr] 333 |     fn new(x: i32, y: i32) -> LogicalCoordinate {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `to_draw_coordinate`
[INFO] [stderr]    --> src/main.rs:337:5
[INFO] [stderr]     |
[INFO] [stderr] 337 |     fn to_draw_coordinate(&self) -> Option<DrawCoordinate> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `test_mino`
[INFO] [stderr]    --> src/main.rs:426:5
[INFO] [stderr]     |
[INFO] [stderr] 426 |     fn test_mino(&self, mino: T, rot: Rotation, m: LogicalCoordinate) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 28s
[INFO] running `"docker" "inspect" "62008c615ef08e348ceac6061cdfcb07e1afb8c1dc918b6707cb4bb8224ebdf5"`
[INFO] running `"docker" "rm" "-f" "62008c615ef08e348ceac6061cdfcb07e1afb8c1dc918b6707cb4bb8224ebdf5"`
[INFO] [stdout] 62008c615ef08e348ceac6061cdfcb07e1afb8c1dc918b6707cb4bb8224ebdf5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/ix5231/tetris:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 53bea86b86593d815d5418e89907f5a9e83c6bdbc1ceb094f6c4c80e5e38c56d
[INFO] running `"docker" "start" "-a" "53bea86b86593d815d5418e89907f5a9e83c6bdbc1ceb094f6c4c80e5e38c56d"`
[INFO] [stderr]    Compiling tetris v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `rotate_right`
[INFO] [stderr]    --> src/main.rs:267:5
[INFO] [stderr]     |
[INFO] [stderr] 267 |     fn rotate_right(&self) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `rotate_left`
[INFO] [stderr]    --> src/main.rs:278:5
[INFO] [stderr]     |
[INFO] [stderr] 278 |     fn rotate_left(&self) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `to_draw_coordinate`
[INFO] [stderr]    --> src/main.rs:337:5
[INFO] [stderr]     |
[INFO] [stderr] 337 |     fn to_draw_coordinate(&self) -> Option<DrawCoordinate> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.08s
[INFO] running `"docker" "inspect" "53bea86b86593d815d5418e89907f5a9e83c6bdbc1ceb094f6c4c80e5e38c56d"`
[INFO] running `"docker" "rm" "-f" "53bea86b86593d815d5418e89907f5a9e83c6bdbc1ceb094f6c4c80e5e38c56d"`
[INFO] [stdout] 53bea86b86593d815d5418e89907f5a9e83c6bdbc1ceb094f6c4c80e5e38c56d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/ix5231/tetris:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 240c2475c04820f59f6bd39e53f63f10fb283f2a5657a657ebf3ee3b270aff92
[INFO] running `"docker" "start" "-a" "240c2475c04820f59f6bd39e53f63f10fb283f2a5657a657ebf3ee3b270aff92"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tetris-b97e3f706f53c9f2
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test::test_table ... ok
[INFO] [stdout] test test::test_field_mino_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "240c2475c04820f59f6bd39e53f63f10fb283f2a5657a657ebf3ee3b270aff92"`
[INFO] running `"docker" "rm" "-f" "240c2475c04820f59f6bd39e53f63f10fb283f2a5657a657ebf3ee3b270aff92"`
[INFO] [stdout] 240c2475c04820f59f6bd39e53f63f10fb283f2a5657a657ebf3ee3b270aff92